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#!/usr/bin/env python3
#
# Simple functional tests for VNC functionality
#
# Copyright (c) 2018 Red Hat, Inc.
#
# Author:
# Cleber Rosa <crosa@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
import socket
from typing import List
from qemu_test import QemuSystemTest
from qemu_test.ports import Ports
VNC_ADDR = '127.0.0.1'
def check_connect(port: int) -> bool:
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
try:
sock.connect((VNC_ADDR, port))
except ConnectionRefusedError:
return False
return True
class Vnc(QemuSystemTest):
def test_no_vnc_change_password(self):
self.vm.add_args('-nodefaults', '-S')
self.vm.launch()
self.assertFalse(self.vm.qmp('query-vnc')['return']['enabled'])
set_password_response = self.vm.qmp('change-vnc-password',
password='new_password')
self.assertIn('error', set_password_response)
self.assertEqual(set_password_response['error']['class'],
'GenericError')
self.assertEqual(set_password_response['error']['desc'],
'Could not set password')
def test_change_password_requires_a_password(self):
self.vm.add_args('-nodefaults', '-S', '-vnc', ':1,to=999')
self.vm.launch()
self.assertTrue(self.vm.qmp('query-vnc')['return']['enabled'])
set_password_response = self.vm.qmp('change-vnc-password',
password='new_password')
self.assertIn('error', set_password_response)
self.assertEqual(set_password_response['error']['class'],
'GenericError')
self.assertEqual(set_password_response['error']['desc'],
'Could not set password')
def test_change_password(self):
self.vm.add_args('-nodefaults', '-S', '-vnc', ':1,to=999,password=on')
self.vm.launch()
self.assertTrue(self.vm.qmp('query-vnc')['return']['enabled'])
self.vm.cmd('change-vnc-password',
password='new_password')
def do_test_change_listen(self, a, b, c):
self.assertFalse(check_connect(a))
self.assertFalse(check_connect(b))
self.assertFalse(check_connect(c))
self.vm.add_args('-nodefaults', '-S', '-vnc', f'{VNC_ADDR}:{a - 5900}')
self.vm.launch()
self.assertEqual(self.vm.qmp('query-vnc')['return']['service'], str(a))
self.assertTrue(check_connect(a))
self.assertFalse(check_connect(b))
self.assertFalse(check_connect(c))
self.vm.cmd('display-update', type='vnc',
addresses=[{'type': 'inet', 'host': VNC_ADDR,
'port': str(b)},
{'type': 'inet', 'host': VNC_ADDR,
'port': str(c)}])
self.assertEqual(self.vm.qmp('query-vnc')['return']['service'], str(b))
self.assertFalse(check_connect(a))
self.assertTrue(check_connect(b))
self.assertTrue(check_connect(c))
def test_change_listen(self):
with Ports() as ports:
a, b, c = ports.find_free_ports(3)
self.do_test_change_listen(a, b, c)
if __name__ == '__main__':
QemuSystemTest.main()
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